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Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

This year on Dad's day, here's a creative gift that your child can make using simple materials, some of them even recycled.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

Help your second grader make his own badminton set--out of your old pantyhose! He'll delight in his crafty independence, and you'll love saving money.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Start thinking about how the internet works by assembling an Ethernet cable of your own!

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers